chrome/common/extensions/api/_api_features.json

// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

// This features file defines extension APIs implemented under src/chrome.
// See extensions/common/features/* to understand this file, in particular
// feature.h, simple_feature.h, and base_feature_provider.h.
//
// Note that specifying "web_page", "blessed_web_page", or "all" as a context
// type will require manually updating chrome/renderer/resources/dispatcher.cc.

// To add a new whitelisted ID, SHA-1 it and force it to uppercase. In Bash:
//
// $ echo -n "aaaabbbbccccddddeeeeffffgggghhhh" | \
// sha1sum | tr '[:lower:]' '[:upper:]'
// 9A0417016F345C934A1A88F55CA17C05014EEEBA  -
//
// Google employees: please update http://go/chrome-api-whitelist to map
// hashes back to ids.

{
  "accessibilityFeatures": [{
    "dependencies": ["permission:accessibilityFeatures.modify"],
    "contexts": ["blessed_extension"]
  }, {
    "dependencies": ["permission:accessibilityFeatures.read"],
    "contexts": ["blessed_extension"]
  }],
  "accessibilityPrivate": {
    "dependencies": ["permission:accessibilityPrivate"],
    "contexts": ["blessed_extension"]
  },
  "activityLogPrivate": {
    "dependencies": ["permission:activityLogPrivate"],
    "contexts": ["blessed_extension"]
  },
  "app": {
    "blacklist": [
      "2FC374607C2DF285634B67C64A2E356C607091C3",  // Quickoffice
      "3727DD3E564B6055387425027AD74C58784ACC15",  // Quickoffice internal
      "12E618C3C6E97495AAECF2AC12DEB082353241C6",  // QO component extension
      "06BE211D5F014BAB34BC22D9DDA09C63A81D828E",  // Official xkb extension
      "F94EE6AB36D6C6588670B2B01EB65212D9C64E33",  // Open source xkb extension
      "B9EF10DDFEA11EF77873CC5009809E5037FC4C7A"   // Google input tools
    ],
    "channel": "stable",
    "extension_types": ["hosted_app", "extension", "legacy_packaged_app"],
    "contexts": [
      "blessed_extension",
      "unblessed_extension",
      "content_script",
      "web_page",
      "blessed_web_page"
    ],
    // Any webpage can use the app API.
    "matches": ["<all_urls>"]
  },
  "app.getDetails": {
    "contexts": ["blessed_extension", "unblessed_extension", "content_script"],
    "matches": []
  },
  "app.getIsInstalled": {
    "contexts": ["blessed_extension", "unblessed_extension", "content_script"],
    "matches": []
  },
  "app.installState": {
    "contexts": ["blessed_extension", "unblessed_extension", "content_script"],
    "matches": []
  },
  "app.runningState": {
    "contexts": ["blessed_extension", "unblessed_extension", "content_script"],
    "matches": []
  },
  "appviewTag": {
    "internal": true,
    "dependencies": ["permission:appview"],
    "contexts": ["blessed_extension"]
  },
  "audioModem": {
    "dependencies": ["permission:audioModem"],
    "contexts": ["blessed_extension"]
  },
  "autofillPrivate": [{
    "dependencies": ["permission:autofillPrivate"],
    "contexts": ["blessed_extension"]
  }, {
    "channel": "trunk",
    "contexts": ["webui"],
    "matches": [
      "chrome://md-settings/*",
      "chrome://settings/*",
      "chrome://settings-frame/*"
    ]
  }],
  "automationInternal": {
    "internal": true,
    "dependencies": ["manifest:automation"],
    "contexts": ["blessed_extension"]
  },
  "automation": {
    "dependencies": ["manifest:automation"],
    "contexts": ["blessed_extension"]
  },
  "autotestPrivate": {
    "dependencies": ["permission:autotestPrivate"],
    "contexts": ["blessed_extension"]
  },
  "bookmarkManagerPrivate": {
    "dependencies": ["permission:bookmarkManagerPrivate"],
    "contexts": ["blessed_extension"]
  },
  "bookmarks": {
    "dependencies": ["permission:bookmarks"],
    "contexts": ["blessed_extension"]
  },
  "bookmarks.export": {
    "whitelist": [
      "D5736E4B5CF695CB93A2FB57E4FDC6E5AFAB6FE2", // http://crbug.com/312900
      "D57DE394F36DC1C3220E7604C575D29C51A6C495", // http://crbug.com/319444
      "3F65507A3B39259B38C8173C6FFA3D12DF64CCE9"  // http://crbug.com/371562
    ]
  },
  "bookmarks.import": {
    "whitelist": [
      "D5736E4B5CF695CB93A2FB57E4FDC6E5AFAB6FE2", // http://crbug.com/312900
      "D57DE394F36DC1C3220E7604C575D29C51A6C495", // http://crbug.com/319444
      "3F65507A3B39259B38C8173C6FFA3D12DF64CCE9"  // http://crbug.com/371562
    ]
  },
  "brailleDisplayPrivate": {
    "dependencies": ["permission:brailleDisplayPrivate"],
    "contexts": ["blessed_extension"]
  },
  "browser": {
    "dependencies": ["permission:browser"],
    "contexts": ["blessed_extension"]
  },
  "browserAction": {
    "dependencies": ["manifest:browser_action"],
    "contexts": ["blessed_extension"]
  },
  // This API is whitelisted on stable and should not be enabled for a wider
  // audience without resolving security issues raised in API proposal and
  // review (https://codereview.chromium.org/25305002).
  "browserAction.openPopup": [{
    "channel": "dev",
    "dependencies": ["manifest:browser_action"],
    "contexts": ["blessed_extension"]
  }, {
    "channel": "stable",
    "dependencies": ["manifest:browser_action"],
    "whitelist": [
      "63ED55E43214C211F82122ED56407FF1A807F2A3",  // Dev
      "FA01E0B81978950F2BC5A50512FD769725F57510",  // Beta
      "B11A93E7E5B541F8010245EBDE2C74647D6C14B9",  // Canary
      "F155646B5D1CA545F7E1E4E20D573DFDD44C2540",  // Google Cast Beta
      "16CA7A47AAE4BE49B1E75A6B960C3875E945B264",  // Google Cast Stable
      // The extensions below here only use openPopup on a user action,
      // so are safe, and can be removed when the whitelist on that
      // capability is lifted. See crbug.com/436489 for context.
      "A4577D8C2AF4CF26F40CBCA83FFA4251D6F6C8F8",  // http://crbug.com/497301
      "A8208CCC87F8261AFAEB6B85D5E8D47372DDEA6B",  // http://crbug.com/497301
      "EFCF5358672FEE04789FD2EC3638A67ADEDB6C8C"   // http://crbug.com/514696
    ],
    "contexts": ["blessed_extension"]
  }],
  "browsingData": {
    "dependencies": ["permission:browsingData"],
    "contexts": ["blessed_extension"]
  },
  "cast.channel": {
    "dependencies": ["permission:cast"],
    "contexts": ["blessed_extension"]
  },
  "cast.devicesPrivate": {
    "dependencies": ["permission:cast"],
    "contexts": ["blessed_extension"],
    "platforms": ["chromeos"]
  },
  "cast.streaming.rtpStream": {
    "dependencies": ["permission:cast.streaming"],
    "contexts": ["blessed_extension"]
  },
  "cast.streaming.receiverSession": {
    "dependencies": ["permission:cast.streaming"],
    "contexts": ["blessed_extension"]
  },
  "cast.streaming.session": {
    "dependencies": ["permission:cast.streaming"],
    "contexts": ["blessed_extension"]
  },
  "cast.streaming.udpTransport": {
    "dependencies": ["permission:cast.streaming"],
    "contexts": ["blessed_extension"]
  },
  "chromeosInfoPrivate": {
    "dependencies": ["permission:chromeosInfoPrivate"],
    "contexts": ["blessed_extension"]
  },
  "chromeWebViewInternal": [{
    "internal": true,
    "dependencies": ["permission:webview"],
    "contexts": ["blessed_extension"]
  }, {
    "internal": true,
    "channel": "dev",
    "contexts": ["webui"],
    "matches": [
      "chrome://chrome-signin/*",
      "chrome://media-router/*",
      "chrome://oobe/*"
    ]
  }],
  "cloudPrintPrivate": {
    "dependencies": ["permission:cloudPrintPrivate"],
    "contexts": ["blessed_extension"]
  },
  "commandLinePrivate": {
    "dependencies": ["permission:commandLinePrivate"],
    "contexts": ["blessed_extension"]
  },
  "commands": {
    "dependencies": ["manifest:commands"],
    "contexts": ["blessed_extension"]
  },
  "contentSettings": {
    "dependencies": ["permission:contentSettings"],
    "contexts": ["blessed_extension"]
  },
  "contextMenus": {
    "dependencies": ["permission:contextMenus"],
    "contexts": ["blessed_extension"]
  },
  "contextMenusInternal": {
    "internal": true,
    "channel": "stable",
    "contexts": ["blessed_extension"]
  },
  "cookies": {
    "dependencies": ["permission:cookies"],
    "contexts": ["blessed_extension"]
  },
  "copresence": {
    "dependencies": ["permission:copresence"],
    "contexts": ["blessed_extension"]
  },
  "copresencePrivate": {
    "dependencies": ["permission:copresencePrivate"],
    "contexts": ["blessed_extension"]
  },
  "cryptotokenPrivate": {
    "dependencies": ["permission:cryptotokenPrivate"],
    "contexts": ["blessed_extension"]
  },
  "dashboardPrivate": [{
    "channel": "stable",
    "contexts": ["blessed_web_page", "web_page"],
    "matches": ["https://chrome.google.com/*"]
  }, {
    "channel": "stable",
    "contexts": ["blessed_extension"],
    "whitelist": [
      "B44D08FD98F1523ED5837D78D0A606EA9D6206E5"  // Web Store
    ]
  }],
  "dataReductionProxy": {
    "dependencies": ["permission:dataReductionProxy"],
    "contexts": ["blessed_extension"]
  },
  "debugger": {
    "dependencies": ["permission:debugger"],
    "contexts": ["blessed_extension"]
  },
  "declarativeContent": {
    "dependencies": ["permission:declarativeContent"],
    "contexts": ["blessed_extension"]
  },
  "desktopCapture": [{
    "dependencies": ["permission:desktopCapture"],
    "contexts": ["blessed_extension"]
  }, {
    "dependencies": ["permission:desktopCapturePrivate"],
    "whitelist": [
      "63ED55E43214C211F82122ED56407FF1A807F2A3",  // Dev
      "FA01E0B81978950F2BC5A50512FD769725F57510",  // Beta
      "B11A93E7E5B541F8010245EBDE2C74647D6C14B9",  // Canary
      "F155646B5D1CA545F7E1E4E20D573DFDD44C2540",  // Google Cast Beta
      "16CA7A47AAE4BE49B1E75A6B960C3875E945B264",  // Google Cast Stable
      "C17CD9E6868D7B9C67926E0EC612EA25C768418F",  // http://crbug.com/457908
      "EF2AB692559EA97C3BBDEA018A8C45F92457BD4E"   // http://crbug.com/457908
    ],
    "contexts": ["blessed_extension"]
  }],
  "developerPrivate": [{
    "dependencies": ["permission:developerPrivate", "permission:management"],
    "contexts": ["blessed_extension"]
  }, {
    "channel": "stable",
    "contexts": ["webui"],
    "matches": [
      "chrome://extensions/*",
      "chrome://extensions-frame/*",
      "chrome://chrome/extensions/*"
    ]
  }],
  // All devtools APIs are implemented by hand, so don't compile them.
  "devtools.inspectedWindow": {
    "nocompile": true,
    "dependencies": ["manifest:devtools_page"],
    "contexts": ["blessed_extension"]
  },
  "devtools.network": {
    "nocompile": true,
    "dependencies": ["manifest:devtools_page"],
    "contexts": ["blessed_extension"]
  },
  "devtools.panels": {
    "nocompile": true,
    "dependencies": ["manifest:devtools_page"],
    "contexts": ["blessed_extension"]
  },
  "dial": {
    "dependencies": ["permission:dial"],
    "contexts": ["blessed_extension"]
  },
  "downloads": {
    "dependencies": ["permission:downloads"],
    "contexts": ["blessed_extension"]
  },
  "downloadsInternal": {
    "internal": true,
    "channel": "stable",
    "contexts": ["blessed_extension"]
  },
  "easyUnlockPrivate": {
    "dependencies": ["permission:easyUnlockPrivate"],
    "contexts": ["blessed_extension"]
  },
  "echoPrivate": {
    "dependencies": ["permission:echoPrivate"],
    "contexts": ["blessed_extension"]
  },
  "enterprise.deviceAttributes": {
    "dependencies": ["permission:enterprise.deviceAttributes"],
    "contexts": ["blessed_extension"]
  },
  "enterprise.platformKeys": {
    "dependencies": ["permission:enterprise.platformKeys"],
    "contexts": ["blessed_extension"]
  },
  "enterprise.platformKeysInternal": {
    "dependencies": ["permission:enterprise.platformKeys"],
    "internal": true,
    "contexts": ["blessed_extension"]
  },
  "enterprise.platformKeysPrivate": {
    "dependencies": ["permission:enterprise.platformKeysPrivate"],
    "contexts": ["blessed_extension"]
  },
  "experienceSamplingPrivate": {
    "dependencies": ["permission:experienceSamplingPrivate"],
    "contexts": ["blessed_extension"]
  },
  "experimental.devtools.audits": {
    "dependencies": ["permission:experimental", "manifest:devtools_page"],
    "contexts": ["blessed_extension"]
  },
  "experimental.devtools.console": {
    "dependencies": ["permission:experimental", "manifest:devtools_page"],
    "contexts": ["blessed_extension"]
  },
  "extension": {
    "channel": "stable",
    "extension_types": ["extension", "legacy_packaged_app"],
    "contexts": ["blessed_extension"]
  },
  "extension.getURL": {
    "contexts": ["blessed_extension", "unblessed_extension", "content_script"]
  },
  "extension.getViews": [
    {
      "channel": "stable",
      "contexts": ["blessed_extension"],
      "extension_types": ["extension", "legacy_packaged_app"]
    },
    {
      // TODO(yoz): Eliminate this usage.
      "channel": "stable",
      "contexts": ["blessed_extension"],
      "extension_types": ["platform_app"],
      "whitelist": [
        "A948368FC53BE437A55FEB414106E207925482F5"  // File manager
      ]
    }
  ],
  "extension.inIncognitoContext": {
    "contexts": ["blessed_extension", "unblessed_extension", "content_script"]
  },
  "extension.lastError": {
    "contexts": ["blessed_extension", "unblessed_extension", "content_script"]
  },
  "extension.onRequest": {
    "contexts": ["blessed_extension", "unblessed_extension", "content_script"]
  },
  "extension.sendRequest": {
    "contexts": ["blessed_extension", "unblessed_extension", "content_script"]
  },
  "extensionOptionsInternal": [{
    "internal": true,
    "contexts": ["blessed_extension"],
    "dependencies": ["permission:embeddedExtensionOptions"]
  }, {
    "internal": true,
    "channel": "trunk",
    "contexts": ["webui"],
    "matches": ["chrome://extensions-frame/*", "chrome://extensions/*"]
  }],
  // This is not a real API, only here for documentation purposes.
  // See http://crbug.com/275944 for background.
  "extensionsManifestTypes": {
    "internal": true,
    "channel": "stable",
    "contexts": ["blessed_extension"]
  },
  "feedbackPrivate": {
    "dependencies": ["permission:feedbackPrivate"],
    "contexts": ["blessed_extension"]
  },
  "fileBrowserHandler": {
    "dependencies": ["permission:fileBrowserHandler"],
    "contexts": ["blessed_extension"]
  },
  "fileBrowserHandlerInternal": {
    "internal": true,
    "dependencies": ["permission:fileBrowserHandler"],
    "contexts": ["blessed_extension"]
  },
  "screenlockPrivate": {
    "dependencies": ["permission:screenlockPrivate"],
    "extension_types": ["platform_app"],
    "contexts": ["blessed_extension", "unblessed_extension"]
  },
  "fileManagerPrivate": {
    "dependencies": ["permission:fileManagerPrivate"],
    "contexts": ["blessed_extension"]
  },
  "fileManagerPrivateInternal": {
    "internal": true,
    "dependencies": ["permission:fileManagerPrivate"],
    "contexts": ["blessed_extension"]
  },
  "fileSystem": {
    "dependencies": ["permission:fileSystem"],
    "contexts": ["blessed_extension"]
  },
  "fileSystemProvider": {
    "dependencies": ["permission:fileSystemProvider"],
    "contexts": ["blessed_extension"]
  },
  "fileSystemProviderInternal": {
    "internal": true,
    "dependencies": ["permission:fileSystemProvider"],
    "contexts": ["blessed_extension"]
  },
  "firstRunPrivate": {
    "dependencies": ["permission:firstRunPrivate"],
    "contexts": ["blessed_extension"]
  },
  "fontSettings": {
    "dependencies": ["permission:fontSettings"],
    "contexts": ["blessed_extension"]
  },
  "gcdPrivate": {
    "dependencies": ["permission:gcdPrivate"],
    "contexts": ["blessed_extension"]
  },
  "gcm": {
    "dependencies": ["permission:gcm"],
    "contexts": ["blessed_extension"]
  },
  "hangoutsPrivate": {
    "channel": "stable",
    "contexts": ["blessed_extension"],
    "whitelist": [
      // http://crbug.com/309737.
      // Keep this list in sync with extensions_misc::kHangoutsExtensionIds.
      "nckgahadagoaajjgafhacjanaoiihapd",  // Hangouts Production.
      "ljclpkphhpbpinifbeabbhlfddcpfdde",  // Hangouts Debug.
      "ppleadejekpmccmnpjdimmlfljlkdfej",  // Hangouts Alpha.
      "eggnbpckecmjlblplehfpjjdhhidfdoj",  // Hangouts Beta.
      "jfjjdfefebklmdbmenmlehlopoocnoeh",  // Hangouts Packaged App Debug.
      "knipolnnllmklapflnccelgolnpehhpl"   // Hangouts Packaged App Prod.
    ]
  },
  "history": {
    "dependencies": ["permission:history"],
    "contexts": ["blessed_extension"]
  },
  "hotwordPrivate": {
    "dependencies": ["permission:hotwordPrivate"],
    "contexts": ["blessed_extension"]
  },
  "i18n": {
    "channel": "stable",
    "extension_types": ["extension", "legacy_packaged_app", "platform_app"],
    "contexts": ["blessed_extension", "unblessed_extension", "content_script"]
  },
  "identity": {
    "dependencies": ["permission:identity"],
    "contexts": ["blessed_extension"]
  },
  "identity.getAccounts": {
    "channel": "dev",
    "dependencies": ["permission:identity"],
    "contexts": ["blessed_extension"]
  },
  "identityPrivate": {
    "dependencies": ["permission:identityPrivate"],
    "contexts": ["blessed_extension"]
  },
  "idltest": {
    "dependencies": ["permission:idltest"],
    "contexts": ["blessed_extension"]
  },
  "inlineInstallPrivate": {
    "dependencies": ["permission:inlineInstallPrivate"],
    "contexts": ["blessed_extension"]
  },
  "input.ime": {
    "dependencies": ["permission:input"],
    "contexts": ["blessed_extension"]
  },
  "inputMethodPrivate": {
    "dependencies": ["permission:inputMethodPrivate"],
    "contexts": ["blessed_extension"]
  },
  "instanceID": {
    "dependencies": ["permission:gcm"],
    "contexts": ["blessed_extension"]
  },
  "languageSettingsPrivate": [{
    "dependencies": ["permission:languageSettingsPrivate"],
    "contexts": ["blessed_extension"]
  }, {
    "channel": "stable",
    "contexts": ["webui"],
    "matches": [
      "chrome://md-settings/*",
      "chrome://settings/*",
      "chrome://settings-frame/*"
    ]
  }],
  "launcherPage": {
    "dependencies": ["manifest:launcher_page"],
    "contexts": ["blessed_extension"]
  },
  "launcherSearchProvider": {
    "dependencies": ["permission:launcherSearchProvider"],
    "contexts": ["blessed_extension"]
  },
  "location": {
    "dependencies": ["permission:location"],
    "contexts": ["blessed_extension"]
  },
  "logPrivate": {
    "dependencies": ["permission:logPrivate"],
    "contexts": ["blessed_extension"]
  },
  "webcamPrivate": {
    "dependencies": ["permission:webcamPrivate"],
    "contexts": ["blessed_extension"]
  },
  // This is not a real API, only here for documentation purposes.
  // See http://crbug.com/275944 for background.
  "manifestTypes": {
    "internal": true,
    "channel": "stable",
    "contexts": ["blessed_extension"]
  },
  "mediaGalleries": {
    "dependencies": ["permission:mediaGalleries"],
    "contexts": ["blessed_extension"]
  },
  "mediaPlayerPrivate": {
    "dependencies": ["permission:mediaPlayerPrivate"],
    "contexts": ["blessed_extension"]
  },
  "metricsPrivate": {
    "dependencies": ["permission:metricsPrivate"],
    "contexts": ["blessed_extension"]
  },
  "mdns": {
    "dependencies": ["permission:mdns"],
    "contexts": ["blessed_extension"]
  },
  "mimeHandlerViewGuestInternal": {
    "internal": true,
    "contexts": "all",
    "channel": "stable",
    "matches": ["<all_urls>"]
  },
  "musicManagerPrivate": {
    "dependencies": ["permission:musicManagerPrivate"],
    "contexts": ["blessed_extension"]
  },
  "notificationProvider": {
    "dependencies": ["permission:notificationProvider"],
    "contexts": ["blessed_extension"]
  },
  "notifications": {
    "dependencies": ["permission:notifications"],
    "contexts": ["blessed_extension"]
  },
  "omnibox": {
    "dependencies": ["manifest:omnibox"],
    "contexts": ["blessed_extension"]
  },
  "pageAction": {
    "dependencies": ["manifest:page_action"],
    "contexts": ["blessed_extension"]
  },
  "pageCapture": {
    "dependencies": ["permission:pageCapture"],
    "contexts": ["blessed_extension"]
  },
  "passwordsPrivate": [{
    "dependencies": ["permission:passwordsPrivate"],
    "contexts": ["blessed_extension"]
  }, {
    "channel": "trunk",
    "contexts": ["webui"],
    "matches": [
      "chrome://md-settings/*",
      "chrome://settings/*",
      "chrome://settings-frame/*"
    ]
  }],
  "permissions": {
    "channel": "stable",
    "extension_types": ["extension", "legacy_packaged_app", "platform_app"],
    "contexts": ["blessed_extension"]
  },
  "platformKeys": {
    "dependencies": ["permission:platformKeys"],
    "contexts": ["blessed_extension"]
  },
  "platformKeysInternal": [{
    "dependencies": ["permission:platformKeys"],
    "internal": true,
    "contexts": ["blessed_extension"]
  },{
    "dependencies": ["permission:enterprise.platformKeys"],
    "internal": true,
    "contexts": ["blessed_extension"]
  }],
  "preferencesPrivate": {
    "dependencies": ["permission:preferencesPrivate"],
    "contexts": ["blessed_extension"]
  },
  "principalsPrivate": {
    "dependencies": ["permission:principalsPrivate"],
    "contexts": ["blessed_extension"]
  },
  "privacy": {
    "dependencies": ["permission:privacy"],
    "contexts": ["blessed_extension"]
  },
  "processes": {
    "dependencies": ["permission:processes"],
    "contexts": ["blessed_extension"]
  },
  "proxy": {
    "dependencies": ["permission:proxy"],
    "contexts": ["blessed_extension"]
  },
  "imageWriterPrivate": {
    "dependencies": ["permission:imageWriterPrivate"],
    "extension_types": ["platform_app"],
    "contexts": ["blessed_extension"]
  },
  "readingListPrivate": {
    "dependencies": ["permission:readingListPrivate"],
    "contexts": ["blessed_extension"]
  },
  "rtcPrivate": {
    "dependencies": ["permission:rtcPrivate"],
    "contexts": ["blessed_extension"]
  },
  "searchEnginesPrivate": [{
    "dependencies": ["permission:searchEnginesPrivate"],
    "contexts": ["blessed_extension"]
  }, {
    "channel": "trunk",
    "contexts": ["webui"],
    "matches": [
      "chrome://md-settings/*",
      "chrome://settings/*",
      "chrome://settings-frame/*"
    ]
  }],
  "sessions": {
    "dependencies": ["permission:sessions"],
    "contexts": ["blessed_extension"]
  },
  "settingsPrivate": [{
    "dependencies": ["permission:settingsPrivate"],
    "contexts": ["blessed_extension"]
  }, {
    "channel": "trunk",
    "contexts": ["webui"],
    "matches": [
      "chrome://md-settings/*",
      "chrome://settings/*",
      "chrome://settings-frame/*"
    ]
  }],
  "signedInDevices": {
    "dependencies": ["permission:signedInDevices"],
    "contexts": ["blessed_extension"]
  },
  "streamsPrivate": {
    "dependencies": ["permission:streamsPrivate"],
    "contexts": ["blessed_extension"]
  },
  "syncFileSystem": {
    "dependencies": ["permission:syncFileSystem"],
    "contexts": ["blessed_extension"]
  },
  "systemIndicator": {
    "dependencies": ["manifest:system_indicator"],
    "contexts": ["blessed_extension"]
  },
  "systemPrivate": {
    "dependencies": ["permission:systemPrivate"],
    "contexts": ["blessed_extension"]
  },
  "tabCapture": {
    "dependencies": ["permission:tabCapture"],
    "contexts": ["blessed_extension"]
  },
  "tabs": {
    "channel": "stable",
    "extension_types": ["extension", "legacy_packaged_app"],
    "contexts": ["blessed_extension"]
  },
  "terminalPrivate": {
    "dependencies": ["permission:terminalPrivate"],
    "contexts": ["blessed_extension"]
  },
  "topSites": {
    "dependencies": ["permission:topSites"],
    "contexts": ["blessed_extension"]
  },
  "tts": {
    "dependencies": ["permission:tts"],
    "contexts": ["blessed_extension"]
  },
  "ttsEngine": {
    "dependencies": ["permission:ttsEngine"],
    "contexts": ["blessed_extension"]
  },
  "usersPrivate": [{
    "dependencies": ["permission:usersPrivate"],
    "contexts": ["blessed_extension"]
  }, {
    "channel": "trunk",
    "contexts": ["webui"],
    "matches": [
      "chrome://md-settings/*",
      "chrome://settings/*",
      "chrome://settings-frame/*"
    ]
  }],
  "virtualKeyboardPrivate": {
    "dependencies": ["permission:virtualKeyboardPrivate"],
    "contexts": ["blessed_extension"]
  },
  "wallpaper": {
    "dependencies": ["permission:wallpaper"],
    "contexts": ["blessed_extension"]
  },
  "wallpaperPrivate": {
    "dependencies": ["permission:wallpaperPrivate"],
    "contexts": ["blessed_extension"]
  },
  "webNavigation": {
    "dependencies": ["permission:webNavigation"],
    "contexts": ["blessed_extension"]
  },
  "webrtcAudioPrivate": {
    "dependencies": ["permission:webrtcAudioPrivate"],
    "contexts": ["blessed_extension"]
  },
  "webrtcDesktopCapturePrivate": {
    "dependencies": ["permission:webrtcDesktopCapturePrivate"],
    "contexts": ["blessed_extension"]
  },
  "webrtcLoggingPrivate": {
    "dependencies": ["permission:webrtcLoggingPrivate"],
    "contexts": ["blessed_extension"]
  },
  "webstore": {
    // Hosted apps can use the webstore API from within a blessed context.
    "channel": "stable",
    // Set extension_types to 'all' to prevent webstore from being filtered.
    // Technically, webstore is not in apps or extensions, but it is currently
    // displayed on /extensions/webstore and /apps/webstore. The "contexts"
    // restriction effectively restricts this to hosted apps and webpages.
    "extension_types": "all",
    "contexts": ["blessed_web_page", "web_page"],
    // Any webpage can use the webstore API.
    "matches": ["<all_urls>"]
  },
  "webstorePrivate": {
    "dependencies": ["permission:webstorePrivate"],
    // NOTE: even though this is only used by the webstore hosted app, which
    // normally would mean blessed_web_page, component hosted apps are actually
    // given the blessed_extension denomination. Confusing.
    "contexts": ["blessed_extension"]
  },
  "webstoreWidgetPrivate": {
    "dependencies": ["permission:webstoreWidgetPrivate"],
    "contexts": ["blessed_extension"]
  },
  "webviewTag": {
    "internal": true,
    "channel": "stable",
    "dependencies": ["permission:webview"],
    "contexts": ["blessed_extension"]
  },
  "windows": {
    "dependencies": ["api:tabs"],
    "contexts": ["blessed_extension"]
  }
}